This Wall power adapter comes with rating Input 240 VAC and Output 5 VDC. Output is standard USB type A, so you can power up any of your devices which works with 5V DC.
This is ready to use low cost power supply for your microcontroller based projects. This adapter comes with low cost SMPS design, so the supply stability is very high, light weight and small in size.
Image is for both side representation only.